Question

Simplify
(root 13-root6) (root 13+root 6)​

Answer 1

Answer:

7

Step-by-step explanation:

$(\sqrt{13} +\sqrt{6})(\sqrt{13}-\sqrt{6})\\\\ Formula:\\(a+b)(a-b) = a^2-b^2\\13 - 6\\7$

Answer 2

Answer:

7

Step-by-step explanation:

(√13-√6) (√13+√6)

Formula :

(a+b) (a-b) = a^2 -b^2

=13-6

=7

Hope you understood